Lassi Parkkinen was born in Varkaus, an industrial town in the southeast of Finland. He made his debut at the World Allround Championships in 1938, finishing ninth.
Juha Väätäinen (born 12 July 1941) [1 ] [2 ] [3 ] [4 ] is a Finnish former athlete. He is the winner of the 5,000-meter and 10,000-meter gold medals at the 1971 European Championships, held in Helsinki.
Startoval na Zimních olympijských hrách 1948, kde v závodě na 10 000 m vybojoval stříbrnou medaili, dále byl čtvrtý na patnáctistovce, devátý na pětikilometrové trati a ve sprintu na 500 m se umístil na 16.